https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66878
--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> --- This is infinite recursion in push_inner_scope_r -> stack overflow.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66878
--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> --- This is infinite recursion in push_inner_scope_r -> stack overflow.